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Adding :default => true to boolean in existing Rails column
...f down
change_column_default :profiles, :show_attribute, nil
end
Rails API-docs
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How to create a new file together with missing parent directories?
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As of java7, you can also use NIO2 API:
void createFile() throws IOException {
Path fp = Paths.get("dir1/dir2/newfile.txt");
Files.createDirectories(fp.getParent());
Files.createFile(fp);
}
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Get file name from URL
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getFileName requires android api level 26
– Manuela
Mar 12 at 9:11
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Create a List of primitive int?
...e method setSelectedIndices is a non-sense : docs.oracle.com/javase/8/docs/api/javax/swing/…
– vdolez
Jul 23 '16 at 7:22
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Does Internet Explorer support pushState and replaceState?
.../ replaceState.
Update 3: Platform Preview 3 of IE10 supports the history API! Details
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Android: TextView: Remove spacing and padding on top and bottom
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If you use AppCompatTextView ( or from API 28 onward ) you can use the combination of those 2 attributes to remove the spacing on the first line:
XML
android:firstBaselineToTopHeight="0dp"
android:includeFontPadding="false"
Kotlin
text.firstBaselineToTopHeigh...
How can I read a text file in Android?
...ext file is on sd card
//Find the directory for the SD Card using the API
//*Don't* hardcode "/sdcard"
File sdcard = Environment.getExternalStorageDirectory();
//Get the text file
File file = new File(sdcard,"file.txt");
//Read text from file
StringBuilder text = new StringBuilder();
try {
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How can I debug a HTTP POST in Chrome?
...when it changed? EDIT: Answered my own question. If you're using the Fetch API, Chrome wasn't capturing these requests to show in the tab. Apparently Canary is or will be soon.
– virtualandy
Sep 17 '15 at 23:55
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Separate Back Stack for each tab in Android using Fragments
... This is insane. The iPhone doesn't even have a back button. There are API demos showing very simple code to implement fragments in tabs. The question being asked was about having different back stacks for each tab, and my response is that the framework doen't supply this automatically because ...
How to retrieve inserted id after inserting row in SQLite using Python?
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You could use cursor.lastrowid (see "Optional DB API Extensions"):
connection=sqlite3.connect(':memory:')
cursor=connection.cursor()
cursor.execute('''CREATE TABLE foo (id integer primary key autoincrement ,
username varchar(50),
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